parcel homogeneous freezing is linear by default

[amylu00]

Purpose

To-do

Content

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• I have read and checked the items on the review checklist.

[codecov]

Codecov Report

Merging #371 (41af60a) into main (17a1572) will not change coverage.
Report is 1 commits behind head on main.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #371   +/-   ##
=======================================
  Coverage   94.84%   94.84%           
=======================================
  Files          36       36           
  Lines        1261     1261           
=======================================
  Hits         1196     1196           
  Misses         65       65           

Components	Coverage Δ
src	99.29% <ø> (ø)
ext	54.40% <ø> (ø)